I would recommend using Icynene insulation. It's breathable and an air barrier. It will expand to fill all the cracks and voids that batt insulation will not get in an old house with irregular stud spacing.
I am looking at a water ride at a theme park that has severely corroded parts of the steel structure. They want the repair process incospicuous and performed during the days the park is not opened (Mon thru Thu.).The SSPC website has all the info I need but I'm having trouble deciding which...